Plate-securing method.



M. MOSLER & s. EEEEEEEEEEEEEEEEEEEE 0.

r ness ventors fl fl w. 86

Attorney MOSES mosLnn, orcr'nomnn'rr, AND GABL'IBABTEL S, or HAMILTON, 01110, nssrenons '10 THE mosLEB; snrn conrm, or NEW'YORK, Y.

PLATE-SEGUBINGMETHOD.

To all whom it may concern: f

Be it known that we, MOSES Mosrnn, a citizen of the United States, residing at Cincinnati, Hamilton county, Ohlo, and CARL BARTELS, a citizen of the United States, residing at Hamilton, Butler county, Ohio,

I have invented certain new and useful Improvements in Plate-Securing Methods, of

which the following is a specification. 1

, to secure the plates together by means of screws or bolts or rivets. In some comblna- In the securing of metallic plates facewise to each other, as in the manufacture of. the walls and doors of safes, ltllfl-S been usual tions of plates employed in the construction of'the doors and'walls of safes, one or more '"of "the plates may be of unmachineable 25. chineable metal, such as manganese casting.

I l metal, such as manganese steel castings,'or

' one or more of the plates may be unpunch- 2p able and undrillable, as'is the case with some of the laminated plates employed 111' safe construction, and in many cases in safe construction it becomes desirable to secure a plate of machineable metal, such as ordinary steel, against the face of a plate of'unma- ,Our method lends itself to any of the combinations of plates which havef'been referredfto and will be readily understood from the following description taken in con.-

united flatwise againstthefirst plate, and:

this second plate may be assumed as being structure being of. great utility in safe-con .metal surrounding 45 of machineable metal, such, for instance, as ordinary steel; 3, a stud secured 'to one of the plates and projecting througha suitable perforation' in the other plate; and 4,

the stud and welded to the stud and tothe wall of the perforation.

Intheillustratedexample the. stud 3 isan integral part of one of the plates, and

the illustratedcombination of plat/es is. de-

signed to .-producea composite structure havin chinea 1e metal and the other face formed of machineable metal, such composite plate- Specification of Letters Patent.

together withthe studs engaging the one of its faces formed of unma- Witnesses:

P tented oct. 17, 1916.

Application filed my 1s, 1916. Serial in). 98,444.

structionwhere is desired to produce a .wall havlng an Impenetrable exterior and having an interior of such character that it may be drilled, tapped, etc., for the attachment of accessories.

In uniting two plates in accordance with I our improved method, the plates are laid forations, and 1t is highly deslrable that the perforations at the ends of the studs be liberally countersunk, There is then taken 1n hand a metallic wire of such size as when the welding flame of a welding torch, such as an oxy-acetylene welding torch, and this welding operation is carried a'roundthe stud until the'metal of the 'wire has been welded to the stud and to the wall of the aperture surrounding it. Instead of a welding torch the weld ng may be done electrically by passing an electric current through the wire to the stud or perforated plate. The. result,

regardless of whether the welding bedone by an electric current or the flame of a welding-torch, is that a portion of the stud 1s welded tothe perforated plate in which the stud is seated; In the exemplifying drawing the metal 4 is llustrated as being defined by inner and outer lines, but it is to be understood that when the welding has been completed this'fmetal is homogeneous with the plate-metal which surrounds it and with the stud Whichjit surrounds.

We claim v The improved method for securing two plates together face to face, which consists in providing a first-plate with an integrally formed stud projecting from one of its faces and'having a length-equal to the thiclmess of a second plate which is to be joined to the first plate, providing the second plate with a hole fitting upon sa1d stud and countersunkat the outer surface of the plate, and welding metal into I saidcountersinkv in welded union withthe exterior of the stud and the interior-of the'countersink, com- 100 bined substantially as set forth.

V MOSES MOSLER.

CARL BARTELS.

' HENRY G. MosLER,

PAULKURBYr 65 fused, to fill the countersink around a stud, and to the end of this wire-is applied 

